@charset "UTF-8";

/* 通用样式 */

html,body {
    padding: 0px;
    margin: 0px;
}
a {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}

/* 整体样式 */
.wrapper {
    background-color: grey;
    width: 100%;
    height: 100%;
    position: relative;
}
.head {
    width: 900px;
    height: 88px;
    margin: 30px auto;
    border-bottom: 1px solid black;
}
.selectors {
    font-size: 16px;
    margin-left: 40px;
    height: 88px;
    float: left;
    cursor: pointer;
    user-select: none;
}
/* 超链接样式 */
.head-link {
    color: #333333;
    line-height: 88px;
}
.head-link:hover {
    color: #ff6700;
}
/* 下拉框样式 */
.menu {
    position: absolute;
    width: 100%;
    left: 0;
    height: 0px;
    overflow: hidden;
    background-color: grey;
    transition: height 0.2s;
    padding-left: 100px;
}
.selectors:hover .menu{
    height: 200px;
}
.menu-selector {
    text-align: center;
    margin-left: 50px;
    float: left;
}